Your lens determines image sharpness, throw ratio, aspect ratio and maximum picture size. Fixed lenses are cheap and portable; zoom adds size flexibility; lens shift eases placement. Protect and clean ...

Swapping out a lens on a projector shouldn’t be that difficult, but even Digital Projection Inc. offers some quick tips to make it go smoother as part of its DPI University video training series. Ken ...

A home projector is an excellent way to get a movie theater vibe in your home and an image much larger than what your HDTV can attain. Today’s projectors can achieve some amazing resolution, including ...